The MESSENGER mission is approaching the end of its operational life, but before it dies, you can help NASA name 5 of Mercury's craters.
Some space analysts wonder if Object 2014-28E could be part of a Russian anti-satellite program.
As if to celebrate tomorrow's landing of Philae on the surface of Comet 67P/Churyumov-Gerasimenko, the European Rosetta mission has detected a mysterious signal coming from the 2.5 mile-wide lump of ice and rock. Continue reading →
The HiRISE camera on board NASA's Mars Reconnaissance Orbiter (MRO) has become the first instrument orbiting Mars to beam back images of comet Siding Spring's nucleus and coma. Continue reading →
The European Space Agency's Rosetta spacecraft has sent home several spectacular images that show a large pyramid-shaped boulder studding the surface of its target comet.
Cubesats provide a valuable low-cost research space platform for institutions, universities, laboratories and space agencies, but could their use create a new hazard for the increasingly crowded orbital environment? Continue reading →
The United States military's high-technology branch is hoping to test out on-orbit satellite servicing in orbit in the next five years.
A private team is priming a 36-year-old NASA spacecraft to perform new science as it travels through interplanetary space after attempts to move the probe into a position closer to Earth failed.
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